Calculate GST instantly — add or remove GST from any amount. Supports all slabs: 5%, 12%, 18%, 28%.
Add GST to amount or extract GST from total
Adding GST: GST Amount = Base Amount × GST Rate ÷ 100
Total = Base Amount + GST Amount
Removing GST: Base Amount = Total ÷ (1 + GST Rate ÷ 100)
GST Amount = Total − Base Amount
CGST/SGST: Same state transactions — GST split equally between Centre & State.
IGST: Different state transactions — single integrated tax.